Home / 88,988.42-122,804.76-54,989.15

Finding the Fourth Proportional to 88,988.42, 122,804.76 and 54,989.15

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Solution

The fourth proportional to 88,988.42, 122,804.76 and 54,989.15 is: 75,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,988.42 : 122,804.76 = 54,989.15 : x
  2. Step 2: Convert to fraction form
    88,988.42/122,804.76 = 54,989.15/x
  3. Step 3: Cross multiply
    88,988.42x = 122,804.76 × 54,989.15
  4. Step 4: Simplify right side
    88,988.42x = 6,752,929,687.39
  5. Step 5: Solve for x
    x = 6,752,929,687.39/88,988.42
  6. Step 6: Final answer
    x = 75,885.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.